The acid-fast colonies in the image provided demonstrated no color change with exposure to light.
Source: CDC and Dr. George Kubica
Given that the organism produces a yellow color on the niacin accumulation test and pink color on the nitrate reduction test, what additional characteristic is considered presumptive for this organism?
A) Serpentine cording
B) Rapid growth
C) Requirement for hemin
D) Growth at 30°C
Correct Answer:
Verified
Q5: If a slow-growing, acid-fast bacillus is able
Q6: Mycobacterium fortuitum is classified as a
A) photochromogen.
B)
Q7: Mycobacterium tuberculosis is classified as a
A) photochromogen.
B)
Q8: An acid-fast bacillus is recovered from a
Q9: A slow-growing, acid-fast bacillus provides the following
Q11: The presence of acid-fast bacilli in a
Q12: A skin lesion grows an acid-fast bacilli
Q13: A sputum, submitted for AFB culture and
Q14: Select the correct organism/unique characteristic.
A) Mycobacterium gordonae/cording
B)
Q15: The diagnosis of Hansen's disease is made
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